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Finding the Fourth Proportional to 57,935.61, 79,957.86 and 35,287.89

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Solution

The fourth proportional to 57,935.61, 79,957.86 and 35,287.89 is: 48,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,935.61 : 79,957.86 = 35,287.89 : x
  2. Step 2: Convert to fraction form
    57,935.61/79,957.86 = 35,287.89/x
  3. Step 3: Cross multiply
    57,935.61x = 79,957.86 × 35,287.89
  4. Step 4: Simplify right side
    57,935.61x = 2,821,544,168.32
  5. Step 5: Solve for x
    x = 2,821,544,168.32/57,935.61
  6. Step 6: Final answer
    x = 48,701.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.